Home / 330,228,053.70-495,342,080.55-136,039,512.30

Finding the Fourth Proportional to 330,228,053.70, 495,342,080.55 and 136,039,512.30

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Solution

The fourth proportional to 330,228,053.70, 495,342,080.55 and 136,039,512.30 is: 204,059,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,228,053.70 : 495,342,080.55 = 136,039,512.30 : x
  2. Step 2: Convert to fraction form
    330,228,053.70/495,342,080.55 = 136,039,512.30/x
  3. Step 3: Cross multiply
    330,228,053.70x = 495,342,080.55 × 136,039,512.30
  4. Step 4: Simplify right side
    330,228,053.70x = 67,386,095,059,689,320
  5. Step 5: Solve for x
    x = 67,386,095,059,689,320/330,228,053.70
  6. Step 6: Final answer
    x = 204,059,268.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.